| Ralph T. O'Neil | |
| Birth Name: | Ralph Thomas O'Neil |
| Office: | National Commander of |
| Term Start: | 1930 |
| Term End: | 1931 |
| Predecessor: | O. L. Bodenhamer |
| Successor: | Henry L. Stevens, Jr. |
Ralph Thomas O'Neil was the National Commander of The American Legion from 1930 to 1931.